x x\,x is inversely proportional to yyy.
x x\,x is given by the formula: x=1000y\displaystyle x = \frac{1000}{y}x=y1000
Find the value of x x\,x when y=50y = 50y=50
Practise CIE IGCSE Maths Direct and Inverse Proportion with exam-style questions for Core and Extended tier. 22 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.